163289320

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{55921}}^1$

素因数の和:56005

約数の個数: 32

約数和(自身を含む): 372440520

約数和(自身を除く): 209151200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 55921, 111842, 223684, 279605, 447368, 559210, 1118420, 2236840, 4082233, 8164466, 16328932, 20411165, 32657864, 40822330, 81644660, 163289320]

約数ペア:

[(1, 163289320), (2, 81644660), (4, 40822330), (5, 32657864), (8, 20411165), (10, 16328932), (20, 8164466), (40, 4082233), (73, 2236840), (146, 1118420), (292, 559210), (365, 447368), (584, 279605), (730, 223684), (1460, 111842), (2920, 55921)]